title: The water exchange method and difficult colonoscopy.
authors.affiliation: Gastroenterology, Sepulveda ACC, VAGLAHS, North Hill ; David Geffen School of Medicine at UCLA, Los Angeles, CA, USA.
authors.forename: Felix W
authors.initials: FW
authors.lastname: Leung
authors.forename: Yanglin
authors.initials: Y
authors.lastname: Pan
authors.forename: Surinder K
authors.initials: SK
authors.lastname: Mann
authors.forename: Joseph W
authors.initials: JW
authors.lastname: Leung
authors.forename: Rodelei M
authors.initials: RM
authors.lastname: Siao-Salera
authors.forename: Guy
authors.initials: G
authors.lastname: Jackson
keywords: difficult colonoscopy; water exchange method